package com.weichen.delivery.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.weichen.delivery.common.R;
import com.weichen.delivery.entity.Category;
import com.weichen.delivery.service.CategoryService;
import com.weichen.delivery.service.DishService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

//分类管理
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private DishService dishService;

//    新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功！");
    }

//    分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
//        分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
//        条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//        添加排序条件
        queryWrapper.orderByAsc(Category::getSort);//category表中有sort排序
//        进行分页查询
        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

//    根据id删除分类
    @DeleteMapping
    public R<String> delete(@RequestParam("ids") Long id){
//        categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功！");
    }

//    根据id修改分类信息
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改分类信息成功！");
    }

//    根据条件查询分类数据
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
//        条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//        添加条件
        queryWrapper.eq(category.getType() !=null,Category::getType,category.getType());
//        添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);

    }
}
